B |
2020-04-13 16:38:58.0 |
COMMUNICATIONS SYSTEMS INC |
JCS |
GAMCO INVESTORS |
7.69% |
view |
S |
2020-02-14 15:54:33.0 |
COMMUNICATIONS SYSTEMS INC |
JCS |
SAMPSON CURTIS A |
12.79% |
view |
B |
2020-02-14 15:51:34.0 |
COMMUNICATIONS SYSTEMS INC |
JCS |
COMMUNICATIONS SYSTEMS INC |
7.75% |
view |
B |
2020-02-13 10:58:06.0 |
COMMUNICATIONS SYSTEMS INC |
JCS |
RENAISSANCE TECHNOLOGIES LLC |
7.69% |
view |